Title: Investigating Vowel Duration as a Perceptual Cue to Voicing in the English of Native Spanish Speakers.Researchers in the cognitive sciences, and in particular those in acoustic phonetics, investigate the acoustic properties in the speech signal that enable listeners to perceive particular speech sounds. Temporal cues have been found to convey information about the linguistic content of an utterance. One acoustic characteristic that is particularly well documented in American English is the difference in vowel duration preceding voiced and voiceless consonants, which has been found to play a role in the perception of the voicing of postvocalic word-final consonants. Research on vowel duration and its role in the perception of the voicing distinction of the following consonant has primarily involved data from native English speakers.The purpose of the present study was to investigate the vowel durations preceding word-final voiced and voiceless stops in the English production of four native Spanish speakers. This study sought to determine if differences in vowel duration are exhibited preceding voiced and voiceless consonants in the English production of the native Spanish speakers, and to determine if the vowel durations affected the perception of the voicing distinction of the postvocalic stop by four native English speakers.
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